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yashar806

  • 3 years ago

Help with probability

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  1. yashar806
    • 3 years ago
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    The number of courses X taken in one term by students at a large university has the probability distribution shown below ,where k is some constant: X. 1 2 3 4 5 6 P(X=x) 0.05 k 0.21 3k 0.32 2k What is the probability that a randomly selected student is taking at least 3 courses in one term?

  2. yashar806
    • 3 years ago
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    Can you guys help?

  3. telltoamit
    • 3 years ago
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    what do u think?

  4. yashar806
    • 3 years ago
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    I got k is 0.07

  5. telltoamit
    • 3 years ago
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    Okk, at least 3 courses means 3 or 4 or 5 or 6 courses

  6. yashar806
    • 3 years ago
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    I got it thanks so much

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